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. Author manuscript; available in PMC: 2019 Apr 20.
Published in final edited form as: J Org Chem. 2018 Apr 5;83(8):4491–4504. doi: 10.1021/acs.joc.8b00207

Table 1.

Peptide optimizationa,d

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a

Reported results are the average of at minimum two trials,

b

Conversion to product (conv.) was determined by UPLC/MS.

c

Enantiomeric ratios (er) and diastereomeric ratios (dr) were determined by HPLC.

d

Abbreviations are presented in the supporting information.